Display screen with an animated graphical user interface



FIG. 1 is a is a first image in a sequence of a display screen with an animated graphical user interface showing our new design; and,

FIG. 2 is a second image thereof.

The subject matter of this patent or application includes a process or period in which an image changes into another image. This process or period forms no part of the claimed design. The broken line showing of the display screen, text elements and portions of the graphical user interface form no part of the claimed design. 

CLAIM The ornamental design for a display screen with an animated graphical user interface, as shown and described. 